Looking at a 2003 Park Ave, things to be done ? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-25-2011, 03:40 PM   #11
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No harm in not having coolant in there, it only goes to the throttle body.

I have only a few pictures of the last one I did.

Two ports.
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I used Teflon tape, but it really didn't hold up. Red RTV worked. There'* not a lot of material to seal. So make the plugs flush, RTV over it, then use the nickel to seal the top.
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Old 02-25-2011, 03:41 PM   #12
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Also can this be done if UIM is leaking around the egr pipe and still use the same UIM ??
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Old 02-25-2011, 03:48 PM   #13
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Quote:
Originally Posted by goldfinger22 View Post


These cars get great gas mileage !

Its not the gas mileage that gets to me. Its the fact that we may see 5 dollar a gallon gas. No matter how good your gas mileage is, its gonna cost more to drive somewhere.

/me ends dystopian rant.
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Old 02-25-2011, 03:48 PM   #14
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Yes, this blocks any coolant from getting in to the UIM.
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Old 02-25-2011, 03:58 PM   #15
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so there are just 2 coolant ports
, one on either side of the stove pipe ??
Use 1/4" pipe tap and brass plugs ??
then you said remove something from the UIM gasket ?? I dont get where the nickle comes into play ??
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Old 02-25-2011, 03:59 PM   #16
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dont worry gas prices will come back down, as soon as people quit driving so much they will drop, this is a big game
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Old 02-25-2011, 05:47 PM   #17
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On the UIM gasket there is a rubber O ring for the coolant passages. You remove those and put a nickel in it'* place with red RTV
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Old 02-25-2011, 09:56 PM   #18
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Dan, your a man of few words,lol

Here are the things I would like you to answer

1) Are there ONLY 2 coolant ports ?

2) did you use a 1/4" NPT tap ?

3) Brass plugs ?

4) Can this be used on a leaky UIM ?

5) so I need to remove 2 orings on the UIM and repace with nickles, right ?

Thank you !
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Old 02-25-2011, 10:05 PM   #19
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Yes, 2 ports.
Yes, 1/4" NPT tap, you will need to enlarge the hole a little.
Brass plugs are fine
Yes, this is used on a leaking UIM, this is the fix
Remove the O rings from the gasket, (coolant passages) a nickel fits perfectly. Seal it all up with red RTV
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Old 02-25-2011, 10:51 PM   #20
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so even if the uim has a hole in it you can still use it with this repair ??

2) why did the factory have coolant going thru the UIM ?

3) so i need to drill the holes out a little BEFORE using the tap ??

4) will everything else seal up ok if I reuse the leaky UIM ??

Thx
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